Corner structure for a window sash



Sept. 18, 1956 G. D. PETERSON CORNER STRUCTURE FOR A wmnow SASH Original Filed Jan. 2a, 1948 3 Sheets-Sheet 1 IN V EN TOR.-

5 Sheets-Sheet 2 G. D. PETERSON CORNER STRUCTURE FOR A WINDOW SASH INVENTOR. fa /J Pa e/54,

Sept. 18, 1956 Original Filed Jan. 28, 1948 G. D. PETERSON CORNER STRUCTURE FOR AWINDOW SASH Original Filed Jan. 28, 1948 se ms, 1956 s She ets-Sheet 3 'IN VENTUR. 62/4 ,3. Zia/5W7,

BY W

M KER/V57 extruded or fabricated rails and'stiles.

United States Patent CORNER STRUCTURE FOR A WINDOW SASH Gerald D. Peterson, Detroit, Mich.

Original application January 28, 1948, Serial No. 4,794, now Patent No. 2,663,917, dated December 29, 1953. Divided and this application August 4, 1953, Serial No. 372,274

3 Claims. (Cl. 189-64) Serial No. 4,794, filed January 28, 1948, which has become Patent No. 2,663,917, patented December 29, 1953.

Movable sash structure for a window of the general type disclosed and described herein is assembled from Heretofore, the corner structure by which these elements are secured together has often involved tools and/ or parts necessitating factory assembly of the sash. Obviously, this require ment increases the packing and shipping costs, and

creates a structure which is relatively inflexible for instal-- lation purposes. My invention contemplates a corner structure which holds the said elements rigidly together by means of screws only. No corner brackets, special mitering or special tools are required for assemblying the units. They can be shipped knocked down and assembled easily at the site of their use by workers relatively unskilled in metal window construction.

A part of each window frame has a fixed window pane therein, while an adjacent part has a horizontally movable sash containing a window pane which is sealed to the frame when in closed position by suitable weatherstrips. Rollers are provided on the movable sash which engage a track on the sill portion of the frame to eliminate friction during the sliding operation. A space is provided above the sliding window in the header structure which permits the movable sash to be raised and moved inwardly at the bottom with respect to a-building in which it is installed over the track so that it may be removed from the frame. With this arrangement, the windows may be readily Washed on the inside and outside from the inside of the building.

The sections of the frame are so formed as to interlock with each other, and screws are provided for joining the frame sections at the corners so that the entire frame may be shipped in knocked-down condition, occupying very little space. Sealing elements are employed on the window frame and on the sliding sash so as to completely seal the sliding window in closed position. Glazing putty may be employed for retaining the panes in position in the frame or spring strips may be utilized for holding the window pane within the frame. The frame is so constructed as to support a single thickness of glass, or two thicknesses of glass or a Thermopane type window glass may be mounted directly into the frame. A screen or a storm window may be mounted in the opening closed by the sliding Window so that the opening may be closed by a screen in summer or by a storm window in the Winter.

Accordingly, the main objects of the invention are: to

ice

provide a window made of sections of a metal which are securable together to form the header, sill and jamb sections which are releasably secured together at the corners by screws; to provide a metal frame for a window having a vertical bar dividing the area into two portions, in one of which a window pane is fixed in position and in the other of which a horizontally movable sash containing a window pane is mounted; to provide adjacent jamb edges on a window frame which form a mullion which provides an expansion joint between the separate window frames; to provide anchors for a window frame which are releasably locked thereto for supporting the frame in the opening of a building; to provide spring strips for retaining one or a pair of window panes in the window openings of the frame; to provide a sill ventilating section which may be applied to the opening in the frame, covered by the movable sash; and, in general, to provide a frame for a Window which is simple in construction, economical of manufacture and which may be mounted in extension of each other to fill any desired opening.

' A further object of this invention is to provide a movable sash, as aforesaid, having corner structure whereby the rails and stiles of said sash may be assembled at the building site and secured together rigidly with screws only, said screws also providing guides for said rollers where employed in said sash.

Other objects and features of novelty of the invention will be specifically pointed out or will become apparent when referring, for a better understanding of the invention, to the following description taken in conjunction with the accompanying drawings, wherein:

Figure 1 is an elevational view from the exterior of two window frames in mullion arrangement embodying features of this invention;

Figure 2 is an enlarged broken sectional view of the structure illustrated in Figure 1, taken on the line 22 thereof;

Figure 3 is an enlarged broken sectional view of the structure illustrated in Figure 1, taken on the line 3-3 thereof;

Figure 4 is an enlarged broken sectional view of the structure illustrated in Figure 1, taken on the line 44 thereof;

Figure 5 is an enlarged view of the structure illustrated in Figure 1 within the circle 5 thereof when the sash is moved to completely open position;

Figure 6 is a vertical sectional view of the structure illustrated in Figure 1, as viewed within the circle 6 thereof;

Figure 7 is an enlarged sectional view of the structure illustrated in'Figure 1, taken on the line 77 thereof;

Figure 8 is an enlarged exploded view of the header, muntin, sill and jamb sections of the Window frame illustrated in Figure 1;

Figure 9 is an exploded view of a head and sill and jamb element of the sash which slides within the window frame; with parts broken away.

fixed panes 14, thereby having the window assemblies 15 move to open position.

It is to be understood that any number of the individual windows may be secured to each other to fill any length of opening by utilizing the mullion jamb sections 13 along the mating edges of each window frame. The window sections 15, which slide horizontally, are supported on a track projecting upwardly from the window sill section 11 and engaged by rollers on the lower edge of the sections to assure ease of movement of the sections. Weatherstrip of the pile type is supported on the sash 15 about the track so as to seal the window at the bottom, and similar sealing strips are employed at the top of the movable sash section on both the inner and outer sides thereof in contact with the header sections 10. The stile sections of the movable sash have similar sealing strips projecting outwardly of the sash in engagement with the window frame sections when in completely open or completely closed positions. An additional sealing strip is supported on the frame meeting rail between the movable and fixed window pane assemblies to be in lateral abutting relation with the Weatherstrip on the sash when in closed position. This abutting also obtains when the window sash has been shifted to completely open position.

Referring to Figure 3, the header section embodies header bar having a web 17 having a downwardly extending portion 18 and an inwardly sloping web portion 19. A dovetailed recess 21 is located at the junction between the web 17 and portion 18. A downwardly projecting flange 22 is provided on the opposite end of the web from the portion 18, and a similar downwardly directed flange 23 extends from the end of the web 19. A dovetailed recess 24 is provided on the outer surface of the web 17 adjacent to the dovetailed slot 21. This latter dovetail 24 is employed to receive and be secured by a head anchor 25 which is nailed or otherwise secured to the building structure 26. A dual-purpose inner header and sill section 27 is joined to the web 17 of the header section 10 through the engagement of the dovetail 28 thereof in the dovetailed slot 21 of the portion 18. The inner header and sill section is of U-shape having an outer web 29 and inner web 31 on the end of which the dovetail 28 mentioned above is provided. The webs 29 and 31 are joined by a base web 32 having downwardly presented spaced slots 33 and 34 therein. The web 29 extends downwardly at 35 below the base web 32.

The side jamb sections of the frame 12 (Figure 4) embody a channel section 36 having a laterally extending web 37 which is flanged outwardly on the end at 38. A ridge 39 on the outer surface of the web 37 has an outwardly facing slot 41. The web 37 is disposed laterally of a side web 42 of the channel element 36 having joined thereto the base web 43 of channel portion which is provided with a pair of spaced slots 44 and 45 which are aligned with the slots 33 and 34, respectively, of the inner header and sill section 27. An outer web 46 extends from the base web 43 of the channel portion parallel to the web 42 and is provided with an oflset portion 47 having a slot 48 therein aligned with the slot 41 in the ridge 39 in the outer surface of the web 37. A flange 49 extends from the offset portion 47 of the web 46. A jamb anchor 51 has a web portion 52 engaged in the slots 41 and 49 from which a web 53 extends in a position to be secured to the frame elements of the building. By reversing the jamb section of the frame element 12 end for end, it may be applied to either the right or left-hand side of the window frame.

The web 46 of the flange is extended at 54 below the base web 43 and this web is notched out at the top as at 55 to receive the web 29 (Figure 8) and extending flange 35 of the inner header and sill section 27. This forms the top corners of the frame which are held together by a pair of screws extending through apertures 56 and are threaded into a pair of apertures 57 in the web 42 of the channel portion 36 of the jamb section.

The sill section 11 comprises a sill bar having a web 58 (Figures 2 and 3) having on the end a downwardly extending flange 59 and inwardly therefrom a flange 61. A portion 62 extends upwardly from the web 58 and has an inwardly extending web 63 which slopes upwardly and Which is provided with a track 64 and an upwardly extending lip 65 at the inner end. This lip collects the condensation from the windows and permits it to flow down the slope of the web 63 outwardly of the frame. The trackway has a slotted portion 66 therein which permits apertures to be drilled therethrough to permit drainage, and any burrs that may be left in the hole need not be removed because of their location within the slot. The portion 62 of the section is provided with a pair of dovetailed slots 67 and 68 and a ridge 69 forms a dovetailed slot 71. An anchoring element 25 engages the dovetailed slot 71 to anchor the sill in position in the building opening. A similar anchoring element 25 may also be utilized for engaging in the dovetailed slot 68 for anchoring the sill to the building structure. The inner header and sill section 27 is applied to the flange 58 of the sill bar through the engagement of the dovetail 28 in the dovetailed slot 67. The bottom portion of the inner header and sill section 27 is employed only across the fixed window assembly 14 at the sill and the end of the section mates in a notch 55 where it abuts the jamb section 12. A pair of screws extends through the apertures 56 in the upwardly directed portion 62 of the section and is threaded into apertures 57 in the web 42 of the jamb of the section 12 for securing the sill section to the jamb section at the corner to which the sill section 27 extends.

The opposite end of the section 27 at the corner of the sill abuts against a frame meeting rail 72 (Figures 4 and 7), the lower end of which has a laterally extending flange 73 cut away to provide a notch, for receiving the end of the section 27. As illustrated in Figure 3, similar screws are utilized for extending through apertures in the upwardly extending portion 62 on the sill section 11 and secured in threaded apertures on the inner face of the frame meeting rail 72. Spaced webs 74 of the section 72 have outwardly directed spaced slots 75 and 76 in alignment with the slots 33 and 34 in the inner header and sill section 27 and with the slots 44 and 45 in the jamb section 12. The section 72 abuts against the web 17 of the header section 10 and is secured in position by screws extending through apertures in portion 18 into threaded apertures provided in the inner web 77 of the section. A large dovetailed groove 78 is provided in the face of the web 77 for receiving a Weatherstrip 79 which is retained in position thereby. Certain of the channel sections 36 of the jamb section 12 may be provided with dovetailed grooves 40 for receiving a weatherstrip 79 which is retained in position thereby to abut the Weatherstrip 94 when the movable sash is in closed position.

The ends of the frame jamb section 12 which engage the sill section 11 at the point adjacent to the area of the sliding window when closed, at which the sill section 27 is not utilized, are secured together by screws extending through apertures 56 in the upwardly extending portion 62 into the threaded apertures 57 in the web 42 of the jamb section. It will be noted in this arrangement that the notch 55 is omitted because of the absence of the sill section 27, at this point.

The sliding window 15 (Figures 4 and 9) has a sliding sash 81 which embodies two like stiles 82, top rail 83 and a bottom rail 84. The stiles are of tubular form having outer side faces 85, inner webs 86, a glass supporting web 87 and an outer web 88. The glass supporting web 87 is provided with inwardly directed slots 89 and 91 which are spaced from each other, while the web 88 has an extending flange 92 which projects beyond the web 87. The outer surface of the web 88 is provided with a dovetailed groove 93 for supporting and securely holding a sealing strip 94. The top rail 83 of the movable sash has a central web 95 with upwardly directed flanges 96 at each end, the outer surface of which is provided with projections containing dovetailed grooves 97 for receiving the Weatherstrip 94. A downwardly projecting flange 98 is provided in alignment with the flange 96 on the front face of the top rail.

The bottom rail 84 comprises a central web 99 having downwardly projecting wall portions 101 containing slots 102 for reducing the weight of the section. An upwardly extending flange 103 is provided at the front of the bottom rail, aligned with the flange 98 of the top rail 83 and flange 92 of the stile 82. The flange 92 is cut away on the sash stile 82 to provide notches 55 for receiving the ends of the top rail and bottom rail to which they are secured by screws 104 extending through apertures 105 in the web 85 of the stile and threaded into the apertures 106 in the webs 95 and 99 of the rail 83 and 84, respectively. In this manner the sash is securely held together at the four corners.

Rollers 107 have their stub shafts 108 extending through apertures in the webs 86 and 88 so as to be in alignment with the track 64 of the sill section 11. The screws 104 are disposed on each side of the roller to assist in maintaining the roller in alignment with the track. The shafts 108 are peened in the aperture and the roller freely turns on the shaft. A roller is mounted in the lower end of each of the stiles 82 of the sash so that both ends rides upon the track 64.

A window pane 111 is mounted against the flange 73 of the frame meeting rail 72, the flange 35 on the inner header and sill section 27 and the flange 54 on the jamb section 12. The flanges above named are coplanar and directly receive the glass. The glass is forced against putty or other sealing material placed on the flanges. Four glazing strips 112 form a coplanar retaining flange around the opening when inserted in the aligned slots in the inner header and sill section, in the frame meeting rail 72 and in the jamb section 12. Thereafter, four spring elements 113 are slipped in between the glass 111 and the strips 112 to urge the glass outwardly against the coplanar flanges. Spring tension in the strips retains the strips and glass in position. The window glass 114 is applied in the same manner to the window sash 15, the pane first being placed against the flange 92 of the stiles and flanges 98 and 103 on the top and bottom rails 83 and 84. Thereafter, glazing strips 112 are placed in one set of slots to be coplanar with the flanges above mentioned against which the glass is placed, after which four of the spring strips 113 are added between the flanges 112 and the window glass 114 to hold the glass in position.

When it is desired to join two windows together, they are assembled in the same manner, with the exception that a frame mullion jamb 115 (Figure 4) replaces the standard frame jamb 12 in one of the windows. This mullion jamb has a channel section 116 having an outer web 117 and an inner web 118 joined by a base web 119 containing spaced slots 121. The web 117 at the end has an inwardly extending flange 122 and also an offset projecting flange 123. The web 118 has a web 124 extending from the end inwardly at right angles therefrom, which has on its inner end an enlarged portion 125 provided with a slot 126 for receiving a strip 112 which overlaps the web 37 of the frame jamb section 12. The flanges 122 and 123 mate with the flange 49 and web 46 of the frame jamb section 12 and prevent the section 116 from moving inwardly, while the engagement of the portion 127 of the enlarged portion 125 of the mullion section 13 prevents the section from moving outwardly. A leaf spring 128 is disposed between the web 124 and the flange 38 on the section 12 to urge the webs 124 and 37 away from each other but permitting them to move toward each other in case the metal of the frames expands. When the metal contracts, the spring maintains the engagement of the web 37 with the strip 112.

While it is within the purview of this invention to use window panes which extend from the top to the bottom of the frame and sash, muntins can be employed therebetween for using glass panes of shorter height. A section of the muntin is illustrated in Figure 8 wherein the muntin has a central web 130 and two parallel webs 131 disposed at right angles thereto and in T relation therewith. This provides an upwardly and downwardly presented channel on either side of the web 130 for the reception of the bottom of the top pane of glass and the top of the bottom pane of glass. It will be noted that on the outside of the window the flange 131 is cut away at the end at 132 for overlapping the projecting flange 92 on the sash stile 85. The muntin is secured in position by a screw projecting through the flanges 92 into the web 130, the heads of the screws being visible on the outside of the frame, as illustrated in Figure 1. Similarly, the muntin is secured to the jamb 12 and the frame meeting rail 72 by having the cut-away end portions 132 overlap the flange 54 on the jamb 12 and the flange 73 on the frame meeting rail 72. Screws extend through the flanges 54 and 73 into the web 130 for securing the muntin of the window frame for supporting the fixed window panes.

Various means may be employed for locking the window sash in open and closed positions. For the purpose of illustration, a pin 134 is shown having a handle 135 on one end and provided with a tubular sleeve therearound containing a spring which permits the handle to withdraw the plunger and 135 from an aperture in the frame meeting rail 72 when the window is in closed position.

It will be noted from Figure 2 that a space 147 is pro vided above the movable sash between the header section which permits the movable sash to be lifted upwardly and to have the bottom of the sash clear the track 64, as illustrated in Figure 3, so that the sash may be pulled inwardly from the bottom and thereby removed. Similarly, the sash may be first inserted in the top, lifted upwardly and pushed in at the bottom to again apply the sash to the track 64. A sealing strip 148 is provided in a slot 149 which encompasses the track 64 for sealing the sash bottom rail thereabout.

All the above-mentioned drawings and description apply to one particular, preferred embodiment of my invention, it will be recognized that variations and modifications of the specific structure may be made entirely within the scope of the invention unless specifically stated to the contrary in the appended claims.

I claim:

1. A horizontally slidable sash construction and frame therefor, comprising in combination: an elongated horizontal track; a sash, including an elongated horizontal rail, said rail having a central web and a pair of downwardly facing, spaced wall portions, said wall portions and web defining a first groove; said track being received within said first groove; said web having a plurality of longitudinally extending openings in an end thereof; an elongated, tubular stile extending vertically with respect to said rail, said stile having a second groove formed therein at the lower end thereof, said second groove being aligned with said first groove and extending parallel with said track; said track being received within said second groove; a roller rotatably supported within said stile in the lower portion thereof, with its axis above said second groove, said roller contacting said track and supporting said sash for movement along said track; a plurality of fastening means extending through said stile and into said openings in said web for holding said stile and rail in assembled relationship; said roller being positioned between a pair of adjacent fastening means.

2. The combination of claim 1, including a shaft po- 7 sitioned in the lower portion of said stile and extending transverse to the longitudinal axis of said track'arid'said stile, said roller being rotatably' supported on said shaft, said fastening means bein g' above said shaft."

3. The combination of claim 1, including weather seal- 5 ing' means disposed in said first groovef Refer-errors Cited in the file of this patent UNITED STATES PATENTS 1,206,607 Speck Nov. 28, 1916 1 8 Axe Aug. 2, 1927 Davis May 22, 1928 Swanson .1 Jan. 24, 1939 Butler Apr. 4, 1939 Peterson Dec. 29, 1953 FOREIGN PATENTS Great Britain Apr. 14, 1896 Switzerland June 16, 1937 Great Britain Aug. 23, 1950 

